//取得一个对象，相当于getElementById()
function $_() {
    var elements = new Array();
    for (var i = 0; i < arguments.length; i++) {
        var element = arguments[i];
        if (typeof element == 'string') element = document.getElementById(element);
        Method.Element.apply(element);
        if (arguments.length == 1) return element;
        elements.push(element);
    }
    return elements;
}
//兼容jquery
if(typeof $ == "undefined") $ = $_;

//把它接收到的单个的参数转换成一个Array对象。
function $A(list){
    var arr = [];
    for (var i=0,len=list.length; i<len; i++){arr[i] = list[i];}
    return arr;
}

//常用函数扩展
var Method = {
    Element	: function(){
        this.hide = function(){this.style.display="none"; return this;};
        this.show = function(){this.style.display=""; return this;};
        this.getValue = function(){if(this.value === undefined) return this.innerHTML; else return this.value;};
        this.setValue = function(s){if(this.value === undefined) this.setInnerHTML(s); else this.value = s;};
        this.subTag = function(){return $A(this.getElementsByTagName(arguments[0])).each(function(n){$_(n);});};
        this.remove = function(){return this.parentNode.removeChild(this);};
        this.nextElement = function(){var n = this;	for(var i=0,n; n = n.nextSibling; i++) if(n.nodeType==1) return $_(n); return null;};
        this.previousElement = function(){var n = this;	for (var i=0,n; n = n.previousSibling; i++) if(n.nodeType==1) return $_(n); return null;};
        this.getPosition =  function(){var e = this; var t=e.offsetTop; var l=e.offsetLeft; while(e=e.offsetParent){if($_(e).getStyle('position') == 'absolute' || $_(e).getStyle('position') == 'relative') break; t+=e.offsetTop; l+=e.offsetLeft;} return {x:l, y:t};};
        this.getStyle = function(name){ if(this.style[name]) return this.style[name]; else if(this.currentStyle) return this.currentStyle[name]; else if(document.defaultView && document.defaultView.getComputedStyle){ name = name.replace(/([A-Z])/g,"-$1").toLowerCase(); var s = document.defaultView.getComputedStyle(this,""); return s && s.getPropertyValue(name); } else return null;};
        this.setInnerHTML = function(s){var ua = navigator.userAgent.toLowerCase();s = s.replace(/<script([^>]+)src\s*=\s*\"([^>\"\']*)\"([^>]*)>\s*<\/script>/gi,'');if (ua.indexOf('msie') >= 0 && ua.indexOf('opera') < 0){ s = '<div style="display:none">for IE</div>' + s; s = s.replace(/<script([^>]*)>/gi,'<script$1 defer>'); this.innerHTML = '';this.innerHTML = s;	this.removeChild(this.firstChild);}else{var el_next = this.nextSibling; var el_parent = this.parentNode; el_parent.removeChild(this); this.innerHTML = s; if(el_next) el_parent.insertBefore(this, el_next); else el_parent.appendChild(this);}};
    },
    Array :	function(){
        this.indexOf = function(){for (i=0; i<this.length; i++) if (this[i]==arguments[0]) return i; return -1;};
        this.each = function(fn){for (var i=0,len=this.length; i<len; i++){	fn(this[i],i);} return this;};
    },
    String : function(){
        this.trim = function(){var _re,_argument = arguments[0] || " ";	typeof(_argument)=="string"?(_argument == " "?_re = /(^\s*)|(\s*$)/g : _re = new RegExp("(^"+_argument+"*)|("+_argument+"*$)","g")) : _re = _argument; return this.replace(_re,"");};
        this.stripTags = function(){return this.replace(/<\/?[^>]+>/gi, '');};
        this.cint = function(){return this.replace(/\D/g,"")*1;};
        this.hasSubString = function(s,f){if(!f) f="";return (f+this+f).indexOf(f+s+f)==-1?false:true;};
    }
};
Method.Array.apply(Array.prototype);
Method.String.apply(String.prototype);

//cookie处理
var Cookie = {
    get : function(n){
        var dc = "; "+document.cookie+"; ";
        var coo = dc.indexOf("; "+n+"=");
        if (coo!=-1){
            var s = dc.substring(coo+n.length+3,dc.length);
            return unescape(s.substring(0, s.indexOf("; ")));
        }else{
            return null;
        }
    },
    set : function(name,value,expires,path,domain,secure){
        var expDays = expires*24*60*60*1000;
        var expDate = new Date();
        expDate.setTime(expDate.getTime()+expDays);
        var expString = expires ? "; expires="+expDate.toGMTString() : "";
        var pathString = "; path="+(path||"/");
        var domain = domain ? "; domain="+domain : "";
        document.cookie = name + "=" + escape(value) + expString + domain + pathString + (secure?"; secure":"");
    },
    del : function(n){
        var exp = new Date();
        exp.setTime(exp.getTime() - 1);
        var cval=this.get(n);
        if(cval!=null) document.cookie= n + "="+cval+";expires="+exp.toGMTString();
    }
}

//form相关函数
var Form = {
    //把表格内容转化成string
    serialize: function(form) {
        var elements = Form.getElements($_(form));
        var queryComponents = new Array();
        for (var i = 0; i < elements.length; i++) {
            var queryComponent = Form.Element.serialize(elements[i]);
            if (queryComponent) queryComponents.push(queryComponent);
        }
        return queryComponents.join('&');
    },
    //取得表单内容为数组形式
    getElements: function(form) {
        form = $_(form);
        var elements = new Array();
        for (tagName in Form.Element.Serializers) {
            var tagElements = form.getElementsByTagName(tagName);
            for (var j = 0; j < tagElements.length; j++)
                elements.push(tagElements[j]);
        }
        return elements;
    },
    //disable表单所有内容
    disable: function(form) {
        var elements = Form.getElements(form);
        for (var i = 0; i < elements.length; i++) {
            var element = elements[i];
            element.blur();
            element.disabled = 'true';
        }
    },
    //enable表单所有内容
    enable: function(form) {
        var elements = Form.getElements(form);
        for (var i = 0; i < elements.length; i++) {
            var element = elements[i];
            element.disabled = '';
        }
    },
    //Reset表单
    reset: function(form) {
        $_(form).reset();
    }
}

//form里面元素定义
Form.Element = {
    serialize: function(element) {
        element = $_(element);
        var method = element.tagName.toLowerCase();
        var parameter = Form.Element.Serializers[method](element);
        if (parameter) {
            var key = encodeURIComponent(parameter[0]);
            if (key.length == 0) return;
            if (parameter[1].constructor != Array) return key + '=' + encodeURIComponent(parameter[1]);
            tmpary = new Array();
            for (var i = 0; i < parameter[1].length; i++) {
                tmpary[i] = key + encodeURIComponent('[]') + '=' + encodeURIComponent(parameter[1][i]);
            }
            return tmpary.join('&');
        }
    },
    getValue: function(element) {
        element = $_(element);
        var method = element.tagName.toLowerCase();
        var parameter = Form.Element.Serializers[method](element);
        if (parameter) return parameter[1];
    }
}

Form.Element.Serializers = {
    input: function(element) {
        switch (element.type.toLowerCase()) {
            case 'submit':
            case 'hidden':
            case 'password':
            case 'text':
                return Form.Element.Serializers.textarea(element);
            case 'checkbox':
            case 'radio':
                return Form.Element.Serializers.inputSelector(element);
        }
        return false;
    },

    inputSelector: function(element) {
        if (element.checked) return [element.name, element.value];
    },

    textarea: function(element) {
        return [element.name, element.value];
    },

    select: function(element) {
        return Form.Element.Serializers[element.type == 'select-one' ? 'selectOne' : 'selectMany'](element);
    },

    selectOne: function(element) {
        var value = '', opt, index = element.selectedIndex;
        if (index >= 0) {
            opt = element.options[index];
            value = opt.value;
            if (!value && !('value' in opt))
                value = opt.text;
        }
        return [element.name, value];
    },

    selectMany: function(element) {
        var value = new Array();
        for (var i = 0; i < element.length; i++) {
            var opt = element.options[i];
            if (opt.selected) {
                var optValue = opt.value;
                if (!optValue && !('value' in opt))
                    optValue = opt.text;
                value.push(optValue);
            }
        }
        return [element.name, value];
    }
}

//取form里面物件的值，等同于Form.Element.getValue()
var $F = Form.Element.getValue;

//ajax处理
function jieqi_ajax() {
    this.init = function() {
        this.handler = null;
        this.method = "POST";
        this.queryStringSeparator = "?";
        this.argumentSeparator = "&";
        this.URLString = "";
        this.encodeURIString = true;
        this.execute = false;
        this.requestFile = null;
        this.vars = new Object();
        this.responseStatus = new Array(2);
        this.failed = false;
        this.response = "";
        this.asynchronous = true;

        this.onLoading = function() { };
        this.onLoaded = function() { };
        this.onInteractive = function() { };
        this.onComplete = function() { };
        this.onError = function() { };
        this.onFail = function() { };

        try {
            this.handler = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
            try {
                this.handler = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {
                this.handler = null;
            }
        }

        if (! this.handler) {
            if (typeof XMLHttpRequest != "undefined") {
                this.handler = new XMLHttpRequest();
            } else {
                this.failed = true;
            }
        }
    };
    this.setVar = function(name, value, encoded){
        this.vars[name] = Array(value, encoded);
    };
    this.encVar = function(name, value, returnvars) {
        if (true == returnvars) {
            return Array(encodeURIComponent(name), encodeURIComponent(value));
        } else {
            this.vars[encodeURIComponent(name)] = Array(encodeURIComponent(value), true);
        }
    };
    this.processURLString = function(string, encode) {
        regexp = new RegExp(this.argumentSeparator);
        varArray = string.split(regexp);
        for (i = 0; i < varArray.length; i++){
            urlVars = varArray[i].split("=");
            if (true == encode){
                this.encVar(urlVars[0], urlVars[1], false);
            } else {
                this.setVar(urlVars[0], urlVars[1], true);
            }
        }
    };
    this.createURLString = function(urlstring) {
        if (urlstring) {
            if (this.URLString.length) {
                this.URLString += this.argumentSeparator + urlstring;
            } else {
                this.URLString = urlstring;
            }
        }
        this.setVar("ajax_request", new Date().getTime(), false);
        urlstringtemp = new Array();
        for (key in this.vars) {
            if (false == this.vars[key][1] && true == this.encodeURIString) {
                encoded = this.encVar(key, this.vars[key][0], true);
                delete this.vars[key];
                this.vars[encoded[0]] = Array(encoded[1], true);
                key = encoded[0];
            }
            urlstringtemp[urlstringtemp.length] = key + "=" + this.vars[key][0];
        }
        if (urlstring){
            this.URLString += this.argumentSeparator + urlstringtemp.join(this.argumentSeparator);
        } else {
            this.URLString += urlstringtemp.join(this.argumentSeparator);
        }
    };
    this.runResponse = function() {
        eval(this.response);
    };
    this.runAJAX = function(urlstring) {
        if (this.failed) {
            this.onFail();
        } else {
            if(this.requestFile.indexOf(this.queryStringSeparator) > 0){
                var spoint = this.requestFile.indexOf(this.queryStringSeparator);
                this.processURLString(this.requestFile.substr(spoint + this.queryStringSeparator.length), false);
                this.requestFile = this.requestFile.substr(0, spoint);
            }
            this.createURLString(urlstring);
            if (this.handler) {
                var self = this;

                this.handler.onreadystatechange = function() {
                    switch (self.handler.readyState) {
                        case 1:
                            self.onLoading();
                            break;
                        case 2:
                            self.onLoaded();
                            break;
                        case 3:
                            self.onInteractive();
                            break;
                        case 4:
                            self.response = self.handler.responseText;
                            self.responseXML = self.handler.responseXML;
                            self.responseStatus[0] = self.handler.status;
                            self.responseStatus[1] = self.handler.statusText;

                            if (self.execute) {
                                self.runResponse();
                            }

                            if (self.responseStatus[0] == "200") {
                                self.onComplete();
                            } else {
                                self.onError();
                            }

                            self.URLString = "";
                            break;
                    }
                }

                if (this.method == "GET") {
                    totalurlstring = this.requestFile + this.queryStringSeparator + this.URLString;
                    this.handler.open(this.method, totalurlstring, this.asynchronous);
                } else {
                    this.handler.open(this.method, this.requestFile, this.asynchronous);
                    try {
                        this.handler.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
                    } catch (e) { }
                }

                this.handler.send(this.method == "GET" ? null : this.URLString);
            }
        }
    };
    this.submitForm = function(form) {
        if(this.requestFile == null) this.requestFile = $_(form).attributes["action"].value;
        this.runAJAX(Form.serialize(form));
    };
    this.init();
}

//ajax功能对象
var Ajax = {
    Request	: function(vname, vars){
        var ajax = new jieqi_ajax();
        var param = {method:"",parameters:"",asynchronous:true,onLoading:function(){},onLoaded:function(){},onInteractive:function(){},onComplete:function(){},onError:function(){},onFail:function(){}};
        for (var key in vars) param[key] = vars[key];
        if(param["parameters"] != "") ajax.processURLString(param["parameters"], false);
        ajax.asynchronous = param["asynchronous"];
        ajax.onLoading = param["onLoading"];
        ajax.onLoaded = param["onLoaded"];
        ajax.onInteractive = param["onInteractive"];
        ajax.onError = param["onError"];
        ajax.onFail = param["onFail"];
        ajax.onComplete = param["onComplete"];
        if($_(vname) != null && typeof $_(vname).tagName != "undefined" && $_(vname).tagName.toLowerCase() == "form"){
            ajax.method = param["method"]=="" ? "POST" : param["method"];
            ajax.submitForm(vname);
        }else{
            ajax.method = param["method"]=="" ? "GET" : param["method"];
            ajax.requestFile = vname;
            ajax.runAJAX();
        }
    },
    Update : function(vname, vars){
        var param = {outid:"", tipid:"", onLoading:"", onComplete:"", onError:"", timeout:0, cursor:"wait", parameters:""};
        for (var key in vars) param[key] = vars[key];

        var isform = ($_(vname) != null && typeof $_(vname).tagName != "undefined" && $_(vname).tagName.toLowerCase() == "form") ? true : false;

        if(typeof param["onLoading"] == 'function'){
            var doLoading = param["onLoading"];
        }else{
            var doLoading = function(){
                if(param["cursor"] != "") document.body.style.cursor=param["cursor"];
                if(param["onLoading"] == "") param["onLoading"] = "Loading...";
                if(param["tipid"] != null && param["tipid"] != "") {$_(param["tipid"]).setValue(param["onLoading"]);$_(param["tipid"]).show();}
                if(isform) Form.disable(vname);
            }
        }
        if(typeof param["onComplete"] == 'function'){
            var doComplete = param["onComplete"];
        }else{
            var doComplete = function(){
                if(param["cursor"] != "") document.body.style.cursor="auto";
                if(param["tipid"] != null && param["tipid"] != "") {$_(param["tipid"]).setValue("");$_(param["tipid"]).hide();}
                if(param["outid"] != "") {if(this.response.match(/^(http(s)?:\/)?\/([\w\/-]+\.)+[\w-]+/i)){window.location.href = this.response;this.response = param["onComplete"] == "" ? "Redirecting..." : param["onComplete"];}$_(param["outid"]).setValue(this.response);$_(param["outid"]).show();}
                if(param["timeout"] != "") {setTimeout(function(){$_(param["outid"]).hide()},param["timeout"]);}
                if(isform) Form.enable(vname);
            }
        }
        if(typeof param["onError"] == 'function'){
            var doError = param["onError"];
        }else{
            var doError = function(){
                if(param["outid"] != "")  $_(param["outid"]).setValue("ERROR:"+this.responseStatus[1]+"("+this.responseStatus[0]+")");
                if(isform) Form.enable(vname);
            }
        }
        var doFail = function() {
            alert("Your browser does not support AJAX!");
            if(isform) Form.enable(vname);
        }

        Ajax.Request(vname, {onLoading:doLoading, onComplete:doComplete, onError:doError, onFail:doFail, parameters:param["parameters"]});
    },
    Tip : function(event, vname, vars){
        var param = {outid:"", tipid:"", onLoading:"", onComplete:"", onError:"", timeout:3000, cursor:"wait", parameters:""};
        if(typeof vars == 'number'){
            param["timeout"] = vars;
        }else{
            for (var key in vars) param[key] = vars[key];
        }
        event = event ? event : (window.event ? window.event : null);
        var eid = event.srcElement ? event.srcElement.id : event.target.id;
        var tid = eid + "_tip";
        var ele = $_(eid);
        var pos = ele.getPosition();
        var atip  = $_(tid);
        if(!atip) {
            atip = document.createElement("div");
            atip.id = tid;
            atip.style.display = "none";
            atip.className = "ajaxtip";
            document.body.appendChild(atip);
            atip.onclick = function(){$_(tid).hide();};
        }
        atip.style.top = (pos.y + ele.offsetHeight + 2)  + "px";
        atip.style.left = pos.x + "px";
        atip.innerHTML = "";
        atip.style.display="";
        if(param["outid"] == "") param["outid"] = tid;
        if(param["tipid"] == "") param["tipid"] = tid;
        this.Update(vname, param);
    }
}

//页面宽度
function pageWidth(){
    return window.innerWidth != null ? window.innerWidth : document.documentElement && document.documentElement.clientWidth ? document.documentElement.clientWidth : document.body != null ? document.body.clientWidth : null;
}
//页面高度
function pageHeight(){
    return window.innerHeight != null? window.innerHeight : document.documentElement && document.documentElement.clientHeight ? document.documentElement.clientHeight : document.body != null? document.body.clientHeight : null;
}
//页顶坐标
function pageTop(){
    return typeof window.pageYOffset != 'undefined' ? window.pageYOffset : document.documentElement && document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop ? document.body.scrollTop : 0;
}
//页左坐标
function pageLeft(){
    return typeof window.pageXOffset != 'undefined' ? window.pageXOffset : document.documentElement && document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft ? document.body.scrollLeft : 0;
}
//显示阴影背景
function showMask(){
    var sWidth,sHeight;
    sWidth = document.body.scrollWidth;
    sWidth = window.screen.availWidth > document.body.scrollWidth ? window.screen.availWidth : document.body.scrollWidth;
    sHeight = window.screen.availHeight > document.body.scrollHeight ? window.screen.availHeight : document.body.scrollHeight;
    var mask = document.createElement("div");
    mask.setAttribute('id','mask');
    mask.style.width = sWidth + "px";
    mask.style.height = sHeight + "px";
    mask.style.zIndex = "5000";
    document.body.appendChild(mask);
}
//隐藏阴影背景
function hideMask(){
    var mask = document.getElementById("mask");
    if(mask != null){
        if(document.body) document.body.removeChild(mask);
        else document.documentElement.removeChild(mask);
    }
}

var dialogs = new Array();
//显示弹出框
function displayDialog(html){
    var dialog;
    dialog = document.getElementById("dialog");
    if(dialog != null) closeDialog(1);
    dialog = document.createElement("div");
    dialog.setAttribute('id','dialog');
    dialog.style.zIndex = "6000";
    if(document.all){
        dialog.style.width = "460px";
        dialog.style.height = "200px";
    }
    document.body.appendChild(dialog);
    $_("dialog").setInnerHTML(html + '<iframe src="" frameborder="0" style="position:absolute;visibility:inherit;top:0px;left:0px;width:0px !important; height:0px !important;width:expression(this.parentNode.offsetWidth);height:expression(this.parentNode.offsetHeight);z-index:-1;filter=\'progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)\';"></iframe><a onclick="closeDialog()" style="text-decoration:none;position:absolute;top: 7px;right:7px;width:14px;height:14px;line-height:14px;font-size:14px;text-align:center;display:inline-block;cursor:pointer;font-weight:bold;font-family:Arial;color:#333333;outline:thin solid #cccccc;border:1px solid #ffffff;" onmouseover="this.style.color=\'#ff6600\'" onmouseout="this.style.color=\'#333333\'">×</a>');
    var dialog_w = parseInt(dialog.scrollWidth);
    var dialog_h = parseInt(dialog.scrollHeight);
    if(dialog_w < 460){
        dialog.style.width = "460px";
        dialog_w = parseInt(dialog.clientWidth);
    }else{
        dialog.style.width = dialog_w + "px";
    }
    if(dialog_h < 200){
        dialog.style.height = "200px";
        dialog_h = parseInt(dialog.clientHeight);
    }else{
        dialog.style.height = dialog_h + "px";
    }
    var page_w = pageWidth();
    var page_h = pageHeight();
    var page_l = pageLeft();
    var page_t = pageTop();

    var dialog_top = page_t + (page_h / 2) - (dialog_h / 2);
    if(dialog_top < page_t) dialog_top = page_t;
    var dialog_left = page_l + (page_w / 2) - (dialog_w / 2);
    if(dialog_left < page_l) dialog_left = page_l + page_w - dialog_w;

    dialog.style.left = dialog_left + "px";
    dialog.style.top =  dialog_top + "px";
    dialog.style.visibility = "visible";
}
//根据url打开弹出框
function openDialog(url, mask){
    if(mask) showMask();
    if(typeof dialogs[url] == 'undefined'){
        if(url.match(/\.(gif|jpg|jpeg|png|bmp)$/ig)){
            dialogs[url]='<img src="'+url+'" class="imgdialog" onclick="closeDialog()" style="cursor:pointer" />';
            displayDialog(dialogs[url]);
        }else{
            Ajax.Request(url,{onLoading:function(){dialogs[url]=this.response; displayDialog('Loading...');}, onComplete:function(){dialogs[url]=this.response; displayDialog(this.response);}});
        }
    }else{
        displayDialog(dialogs[url]);
    }
}
//关闭弹出框
function closeDialog(){
    var dialog = document.getElementById("dialog");
    if(document.body){
        document.body.removeChild(dialog);
    }else{
        document.documentElement.removeChild(dialog);
    }
    if(arguments.length == 0) hideMask();
}
//图片缩小的适合大小
function imgResize(obj){
    var width = arguments.length < 2 ? 600 : arguments[1];
    if(obj.width > width) {
        obj.resized = true;
        obj.width = width;
        obj.style.cursor='pointer';
    }
}
//图片功能菜单
function imgMenu(obj){

}
//显示图片弹出框
function  imgDialog(url){
    if(arguments.length < 2 || arguments[1].resized) openDialog(url, true);
}
//载入js
function loadJs(url){
    if(arguments.length >= 2 && typeof arguments[1] == 'function') funload = arguments[1];
    if(arguments.length >= 3 && typeof arguments[2] == 'function') funerror = arguments[2];
    var ss=document.getElementsByTagName("script");
    for(i=0;i<ss.length;i++){
        if(ss[i].src && ss[i].src.indexOf(url) != -1){
            if(typeof funload == "function") funload();
            return;
        }
    }
    s=document.createElement("script");
    s.type="text/javascript";
    s.defer = "defer";
    s.src=url;
    document.getElementsByTagName("head")[0].appendChild(s);

    if(document.all){
        s.onreadystatechange=function(){
            if((this.readyState == 'loaded' || this.readyState == 'complete') && typeof funload == "function") funload();
        }
    }else{
        s.onload=function(){
            if(typeof funload == "function") funload();
        }
    }

    s.onerror=function(){
        this.parentNode.removeChild(this);
        if(typeof funerror == "function") funerror();
    }
}
//载入CSS
function loadCss(url){
    var c=document.createElement("link");
    c.rel="stylesheet";
    c.type="text/css";
    c.href=url;
    document.getElementsByTagName("head")[0].appendChild(c);
}
//获得事件
function getEvent() {
    if(window.event) return window.event;
    func = getEvent.caller;
    while(func != null) {
        var arg0 = func.arguments[0];
        if (arg0) {
            if((arg0.constructor  == Event || arg0.constructor == MouseEvent) || (typeof(arg0) == "object" && arg0.preventDefault && arg0.stopPropagation)) {
                return arg0;
            }
        }
        func=func.caller;
    }
    return null;
}
//取消事件
function stopEvent(event) {
    e = event ? event : window.event;
    if(!e) e = getEvent();
    if(e && document.all) {
        e.returnValue = false;
        e.cancelBubble = true;
    } else if(e) {
        e.stopPropagation();
        e.preventDefault();
    }
}